 <form class="example-form">
  <mat-form-field appearance="outline" class="example-full-width">
    <mat-label>作者名称</mat-label>
    <input  [(ngModel)]="musicData.user.nickname" matInput placeholder="" [ngModelOptions]="{standalone: true}">
  </mat-form-field>

  <mat-form-field class="example-full-width">
    <mat-label>作者头像</mat-label>
    <input  [(ngModel)]="musicData.user.avatar" matInput placeholder="" [ngModelOptions]="{standalone: true}">
  </mat-form-field>

  <mat-form-field appearance="outline" class="example-full-width">
    <mat-label>歌单介绍</mat-label>
    <textarea [(ngModel)]="musicData.album.title" matInput placeholder="" [ngModelOptions]="{standalone: true}"></textarea>
  </mat-form-field>

  <mat-form-field appearance="outline" class="example-full-width">
    <mat-label>歌单封面</mat-label>
    <input  [(ngModel)]="musicData.album.image" matInput placeholder="" [ngModelOptions]="{standalone: true}">
  </mat-form-field>
  <button (click)="save()" mat-raised-button color="primary" class="example-full-width">保存</button> 
  <button (click)="back()" mat-raised-button class="example-full-width">返回</button>
  </form>
